/Engine/Source/Runtime/AudioMixerCore/Public/AudioMixer.h
Initialize the buffer with the given samples and output format.
void Init ( [IAudioMixer](API\Runtime\AudioMixerCore\IAudioMixer) * InAudioMixer, const int32 InNumSamples, const int32 InNumBuffers, const [EAudioMixerStreamDataFormat::Type](API\Runtime\AudioMixerCore\Audio__EAudioMixerStreamDataForm-) InDataFormat )